210
CDUS41 KLWX 040526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT MON SEP 04 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 3 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 99R 4:18 PM 96 1993 84 15 88
MINIMUM 64 5:31 AM 45 1967 62 2 69
AVERAGE 82 73 9 79
PRECIPITATION (IN)
YESTERDAY 0.00 1.47 1969 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.37 -0.37 0.00
SINCE SEP 1 0.00 0.37 -0.37 0.00
SINCE JAN 1 19.22 29.59 -10.37 27.50
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 17 8 9 14
MONTH TO DATE 29 24 5 32
SINCE SEP 1 29 24 5 32
SINCE JAN 1 1144 1080 64 1210
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 28 2:00 PM
AVERAGE 58
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 95 1985
MINIMUM TEMPERATURE (F) 62 48 1997
SUNRISE AND SUNSET
SEPTEMBER 4 2023.....SUNRISE 6:41 AM EDT SUNSET 7:36 PM EDT
SEPTEMBER 5 2023.....SUNRISE 6:42 AM EDT SUNSET 7:34 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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